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[虚拟币交流]
比特币算力大跌25%！主因是美国德州矿池因寒流限电关机（18日转）
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& F6 r, w( }" [
近日，比特币全网算力出现显著下降，根据Blockchain.com的数据，从上周五的约 Z! `* Q7 q% ^. o K# W
600EH/s降至昨日的440EH/s，跌幅高达25%。这主要是因为美国德州面临严重寒流，导致当地电WJ管机构$ t/ \) x( P. q( C$ x, g6 H
ERCOT在14至17日期间要求限电，以应对极端寒冷天气可能带来的电力需求激增。5 R1 E' z* o' |9 [: F" \$ F
德州限电是主因0 G1 V) c( l$ u0 l W
The Miner Mag先前报导指出，这次算力下降主要由Foundry USA Pool引起，该矿池的矿工客户减少了高达
$ s8 w- K p9 i75EH/s的算力。而截至9月份，连接到Foundry矿池的算力中有超过28%位于德州，因此这次算力下降与德州的
% V6 t' K- g' M% @: f3 Z" N限电措施密切相关。; n1 Z4 [3 M$ s: P2 @
Mining Pool Stats的数据显示，自周日以来，Foundry USA Pool和蚂蚁矿池的算力大幅下降，这两个最大的比
) v4 m' Q- ?" c l特币矿池占全网算力下降的70%以上。
' K% K5 l, u2 t截至目前，随着ERCOT在今日凌晨宣布结束天气警报，Foundry USA Pool和蚂蚁矿池的算力已分别回升至) ?) Q @7 p; ]( f- n1 l ^
146.54EH/s和125EH/s。$ c A0 w! b# v$ e) S' y
这次事件除了凸显地方制策对比特币挖矿活动的影响外，也彰显出比特币挖矿活动「可便利中断操作」的独特优
, F( C* ]6 K0 m- r c势。受此影响的北美3大矿企之一，Marathon Digital的企业传播副总裁查理·舒马赫表示：比特币矿机在很多方! ^/ _1 T; K9 a" u I" y! f
面是能源产业的技术解决方案。在德州，他们提供了稳定的基本能源负荷，并且能在几分钟内调整产量，以便在! Y) z8 O; j5 b& P6 k& W
紧急情况下为其他用户释放能源。这正是我们最近几天所见证的情形。
" `6 Q9 p: X7 d& V! u& y/ j' {德州继天朝后，成为比特币挖矿中心7 s, N) V: b$ k; l& v
值得一提的是，德州是天朝自2021年打击挖矿产业后，迅速崛起成为比特币挖矿的新枢纽。矿工认为，他们的挖
, ^- ]! y7 }; A6 J- `矿活动对德州电网有益，因为他们对电力的灵活使用可以加强该州的电网：能在用电高峰期降低电力需求，在低8 P( U1 {0 r7 S* M/ H* M T
谷期增加电力供应。
3 H8 Y; J3 |8 Y5 E0 {德州以其廉价的电力、电网激励政策和非管制的能源市场吸引了多家公司，包括Marathon Digital、Riot# x$ R# i' F1 ]5 H1 Z, |
Platforms和Iris Energy，增加了在该州的挖矿设施。根据Foundry于9月的报告，使用其德州矿池的美国比特币* C0 Q M- \- Q& m1 w, T4 e% J3 `
矿工占美国总算力的28.5%，高于2021年的8.4%，是全美各州中最高的。" e( d# p* ]; k" {- S7 Z5 v
德州的比特币矿业也积极参与电力需求管理。例如，Riot Platforms在8月从ERCOT获得了3,170万美元的电力和" I; k8 a0 a1 z" B
需求响应信贷，作为其配合在夏季高温期间将用电量削减超过95%的激励。Iris Energy也在同月因自愿减少电力
# B8 P9 f! c. x6 _: \& G使用而获得230万美元的能源信贷。 z1 N9 f3 f; a1 y. ?
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